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|Xi Zhao, Lu Liu, Xian-yang Zeng and Xu-ri Huang|
|Jilin University, China|
|Posters & Accepted Abstracts: J Chem Eng Process Technol|
|Acid-sensing ion channel 1a(ASIC1a) is a cation channel activated by protons and causes Nerve death through central nervous system. Psalmotoxin1 is a gating modifier for ASIC1a. How the PcTx1 in complex with ASIC1a regulates the channel gating from the extracellular domain to the transmembrane domain is unclear. Here we used molecular dynamics (MD) simulations method to report the function of residues on PcTx1 and the path to change the ion pore. β1, β2, β10, α6, α7, β11 and β12 provide crucial the passageway to influence to channel gating through analyzing the PCA results and residues Arg27 is the main reason to stabilize the open state of the pore through researching the hydrogen bonds, combining with the correlation network analysis.|
Xi Zhao obtained his PhD in 2007 from Jilin University and was a visiting scholar from Department of Chemistry at University of California, Irvine. Now he is an associate professor of Institute of Theoretical Chemistry, Jilin University. His researches focus on biomolecular simulation. He has published more than 30 papers in reputed journals.
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